import os

import sys

class Processor:

def __init__(self, config):

self.config = config

def run(self):

for item in self.config.get("items", []):

self.process_item(item)

def process_item(self, item):

print(f"Processing {item}...")

if __name__ == "__main__":

config = {"items": ["a", "b", "c"]}

processor = Processor(config)

processor.run()